Grinding, popping, and other awful sounds coming from your engine might signal a transmission problem. National Transmission Inc. fixes automatic and manual transmissions for all makes and models, foreign and domestic, at our shop in Portage.
Who We Are
National Transmission Inc. is an auto repair shop specializing in transmission repair on foreign and domestic vehicles. Our shop serves customers throughout the Portage, Indiana, area. We’ll have your car changing gears as smoothly as silk in no time. Be sure to visit us at our location at 5475 US Highway 6 in Portage, Indiana, or give us a call today at (219) 762-2228 to meet all your transmission needs.